Base | Representation |
---|---|
bin | 11000110011110111… |
… | …10110000000000110 |
3 | 1021101021222010100010 |
4 | 30121323312000012 |
5 | 204234411114344 |
6 | 10041422131050 |
7 | 651040205322 |
oct | 143173660006 |
9 | 37337863303 |
10 | 13320019974 |
11 | 5715893178 |
12 | 26b8a20a86 |
13 | 134378c031 |
14 | 905070982 |
15 | 52e5b78b9 |
hex | 319ef6006 |
13320019974 has 32 divisors (see below), whose sum is σ = 26756691840. Its totient is φ = 4420608192.
The previous prime is 13320019961. The next prime is 13320019981. The reversal of 13320019974 is 47991002331.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337377 + ... + 1347299.
It is an arithmetic number, because the mean of its divisors is an integer number (836146620).
Almost surely, 213320019974 is an apocalyptic number.
13320019974 is an abundant number, since it is smaller than the sum of its proper divisors (13436671866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13320019974 is a wasteful number, since it uses less digits than its factorization.
13320019974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10884.
The product of its (nonzero) digits is 40824, while the sum is 39.
The spelling of 13320019974 in words is "thirteen billion, three hundred twenty million, nineteen thousand, nine hundred seventy-four".
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